20207836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7529}}^1$

素因数の和:7605

約数の個数: 24

約数和(自身を含む): 39216240

約数和(自身を除く): 19008404

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7529, 15058, 30116, 82819, 165638, 331276, 459269, 918538, 1837076, 5051959, 10103918, 20207836]

約数ペア:

[(1, 20207836), (2, 10103918), (4, 5051959), (11, 1837076), (22, 918538), (44, 459269), (61, 331276), (122, 165638), (244, 82819), (671, 30116), (1342, 15058), (2684, 7529)]